<template>
	<view class="goods-item">
	  <!-- 商品左侧图片区域 -->
	  <view class="goods-item-left">
      <radio :checked="goods.goods_state" color="#C00000" v-if="showRadio" @click="radioClickHandler"></radio>
	    <image :src="goods.goods_small_logo || defaultPic" class="goods-pic"></image>
	  </view>
	  <!-- 商品右侧信息区域 -->
	  <view class="goods-item-right">
	    <!-- 商品标题 -->
	    <view class="goods-name">{{goods.goods_name}}</view>
	    <view class="goods-info-box">
	      <!-- 商品价格 -->
	      <view class="goods-price">￥{{goods.goods_price | tofixed}}</view>
	    <!-- 商品数量 -->
	     <uni-number-box :min="1" :value="goods.goods_count" v-if="showNum"  @change="numChangeHandler"></uni-number-box>
      </view>
	  </view>
	</view>
</template>

<script>
	export default {
    props:{
      goods:{
        type:Object,
        default:{}
      },
       showRadio:{
         type:Boolean,
         default:false
       },
       // 是否显示价格右侧的NumberBox组件
       showNum:{
         type:Boolean,
         default:false
       }
    },
		data() {
			return {
				// 默认的空图片
				   defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png'
			};
		},
    filters:{
      tofixed(num){
        return Number(num).toFixed(2)
      }
    },
    methods: {
      // radio 组件的点击事件处理函数
      radioClickHandler() {
        // 通过 this.$emit() 触发外界通过 @ 绑定的 radio-change 事件，
        // 同时把商品的 Id 和 勾选状态 作为参数传递给 radio-change 事件处理函数
        this.$emit('radio-change', {
          // 商品的 Id
          goods_id: this.goods.goods_id,
          // 商品最新的勾选状态
          goods_state: !this.goods.goods_state
        })
      },
      numChangeHandler(val){
        // console.log(val)
        this.$emit('num-change',{
          goods_id:this.goods.goods_id,
          goods_count:+val
        })
      }
       
    }
	}
  
</script>

<style lang="scss">
.goods-item {
  width: 750rpx;
  box-sizing: border-box;
  display: flex;
  padding: 10px 5px;
  border-bottom: 1px solid #f0f0f0;

  .goods-item-left {
    margin-right: 5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
    .goods-pic {
      width: 100px;
      height: 100px;
      display: block;
    }
  }

  .goods-item-right {
    display: flex;
    flex:1;
    flex-direction: column;
    justify-content: space-between;

    .goods-name {
      font-size: 13px;
    }
 .goods-info-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
    .goods-price {
      font-size: 16px;
      color: #c00000;
    }
  }
}
</style>
